Finding the Fourth Proportional to 10,623,874.36, 15,928,982.18 and 6,976,294.60
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Solution
The fourth proportional to 10,623,874.36, 15,928,982.18 and 6,976,294.60 is: 10,459,957.32
Step by Step Solution
- Step 1: Write the proportion equation
10,623,874.36 : 15,928,982.18 = 6,976,294.60 : x - Step 2: Convert to fraction form
10,623,874.36/15,928,982.18 = 6,976,294.60/x - Step 3: Cross multiply
10,623,874.36x = 15,928,982.18 × 6,976,294.60 - Step 4: Simplify right side
10,623,874.36x = 111,125,272,365,830.22 - Step 5: Solve for x
x = 111,125,272,365,830.22/10,623,874.36 - Step 6: Final answer
x = 10,459,957.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.